*{
	margin: 0;
	padding: 0;
}

.small{
	width: 400px;
	height: 400px;
	position: relative;
	border:4px solid #ddd;
	box-shadow: 0 0 5px rgba(0,0,0,.5);
}
.container{
	width: 400px;
	height: 400px;
	position: relative;
	margin-left: 200px;
	margin-top: 100px;
}
.small img{
	width: 100%;
	height: 100%;
}
.small .wrap{
	width: 100%;
	height: 100%;
	position: absolute;
	z-index: 999;
	/* background: rgba(0, 0, 0, 0.3); */
}

.small .grayBox{
	display: none;
	width: 100px;
	height: 100px;
	background-size:400px 400px;
	background-position: 0 0;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
	position: absolute;
	left: 0;
	top: 0;
}	

.big{
	width: 400px;
	height: 400px;
	position: absolute;
	left: 700px;
	top: 100px;
	border:1px solid #f10;
	display: none;
	overflow: hidden;
}
.big img{
	position: absolute;
	width: 1600px;
	height: 1600px;
}

.choice-btn {
	position: absolute;
	bottom: -112px;
	width: 100%;
}
.choice-btn img{
	width: 100px;
	height: 100px;
	border: 2px solid #fff;
}
.choice-btn img:hover{
	border-color: #000;
}